2201423231 has 16 divisors (see below), whose sum is σ = 2554053120. Its totient is φ = 1858385760.

The previous prime is 2201423197. The next prime is 2201423233. The reversal of 2201423231 is 1323241022.

It is not a de Polignac number, because 2201423231 - 2²² = 2197228927 is a prime.

It is a super-2 number, since 2×2201423231² = 9692528483972958722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201423233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647885 + ... + 651273.

It is an arithmetic number, because the mean of its divisors is an integer number (159628320).

Almost surely, 2^2201423231 is an apocalyptic number.

2201423231 is a deficient number, since it is larger than the sum of its proper divisors (352629889).

2201423231 is a wasteful number, since it uses less digits than its factorization.

2201423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2201423231 is about 46919.3268387346. The cubic root of 2201423231 is about 1300.8718473132.

Adding to 2201423231 its reverse (1323241022), we get a palindrome (3524664253).

The spelling of 2201423231 in words is "two billion, two hundred one million, four hundred twenty-three thousand, two hundred thirty-one".